GaN on GaN：
● Typical structure: ● Typical Specification:
1.semi-insulating GaN GaN layer thickness up to 8μm on GaN
2.n-type GaN GaN layer thickness up to 8μm on GaN
3.p-type GaN GaN layer thickness up to 8μm on GaN
4.LED strutures LED structures (400nm-520nm wavelength) on GaN
5.HEMT structures HEMT structure on semi-insulating GaN
● Reference:
1"/2"/ 3"/ 4" GaN substrate(10*10mm etc.) is available.
Up to 8µm GaN epitaxial layer on GaN
FWHM(002) XRD< 150 arcsec
FWHM(102) XRD< 300 arcsec
Thickness uniformity < 5%
Wafer Bow<100μm
AlN and AlGaN buffer layers used in order to relax GaN
Single and double side polished sapphires are available.
● Epitaxial structure and substrate specifications can be customized, anna@jxtwafer.com
● Epitaxy structure:
● Advantages: low cost, good stability in high temperature, excellent mechanical properties, mature technology in LED field.
● Disadvantages: low thermal conductivity, the lattice mismatch in power devices, a little worse performance.
● Application:used in LED and optoelectronic fields.
● Epitaxy structure:
● Advantages: low price of the substrates, good electrical and thermal conductivity, large-scale industrialization.
● Disadvantages: the lattice parameters of sillicon aren't matched to GaN very well , resulting in slightly poor wafer performance and low yield.
● Application: used in HEMT and chips for consumer electronics , RF chips,etc.
● Epitaxy structure:
● Advantages: high temperature resistance, low loss, excellent performance.
● Disadvantages: limited supply of gallium nitride substrates, complicated technology, high cost, and low-scale industrialization.
● Application: used in blue light, green laser and other optoelectronic fields.
● Epitaxy structure:
● Advantages: high thermal conductivity, good antistatic ability, excellent performance.
● Disadvantages: poor machining performance, high cost, limited application scenarios.
● Application: used in 5G base station RF chips, satellite radar, LED and optoelectronic fields.
If you want to know more epitaxial structures, please email us anna@jxtwafer.com.
